Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantas pessoas compareceram à equipe visitante do Middlesbrough?
 ###Tabelas: CREATE TABLE fifth_round_proper (fifth_round_proper_id AUTO_INCREMENT PRIMARY KEY, Tie no VARCHAR, Home team VARCHAR, Score VARCHAR, Away team VARCHAR, Attendance INT) CREATE TABLE 2008_2009_table (2008_2009_table_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Played VARCHAR, Drawn VARCHAR, Lost VARCHAR, Points for VARCHAR, Points against VARCHAR, Tries for VARCHAR, Tries against VARCHAR, Try bonus VARCHAR, Losing bonus VARCHAR, Points VARCHAR) CREATE TABLE long_vowels (long_vowels_id AUTO_INCREMENT PRIMARY KEY, "Long" vowels VARCHAR, 17th c. VARCHAR, American VARCHAR, British VARCHAR, Australian VARCHAR) CREATE TABLE nielsen_ratings (nielsen_ratings_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Timeslot Times listed are Eastern time VARCHAR, Season premiere VARCHAR, Season finale VARCHAR, TV season VARCHAR, Ranking INT, Viewers (in millions of households) VARCHAR) CREATE TABLE associate_members (associate_members_id AUTO_INCREMENT PRIMARY KEY, Institution VARCHAR, Location VARCHAR, Nickname VARCHAR, Founded INT, Type VARCHAR, Enrollment INT, Primary Conference VARCHAR, LEC Sport VARCHAR)  
SELECT COUNT Attendance FROM fifth_round_proper WHERE Away team = middlesbrough